2Wang H, Yeo S L, Xu J, et al. Isolation of streptonigrin and its novel derivative from Micromonospora as inducing agents of p53-dependent cell apoptosis [J]. J Nat Prod, 2002,65(5) : 721
3Pia I A, Ian J L, Margaret M H. Assignment of the ^13C and ^16N NMR spectra of the antitumour antibiotic streptonigrin [J]. Magn Reson Chem, 2002,40(4) - 313